Both sit in the framework layer with similar commercial terms, so the practical split is language: CrewAI targets Python and Vercel AI SDK targets TypeScript.
Role-based crews of agents with delegation between them.
Streaming-first TypeScript SDK with a unified provider interface and UI hooks.
| CrewAI | Vercel AI SDK | |
|---|---|---|
| Licence | Open source | Open source |
| Pricing | freemium | open source |
| Self-hostable | Yes | Yes |
| Languages | Python | TypeScript |
| Install | pip install crewai | npm install ai |
| Keys required | None | None |
Both sit in the framework layer with similar commercial terms, so the practical split is language: CrewAI targets Python and Vercel AI SDK targets TypeScript. CrewAI: Role-based crews of agents with delegation between them. Vercel AI SDK: Streaming-first TypeScript SDK with a unified provider interface and UI hooks.
CrewAI can run on your own infrastructure. Vercel AI SDK can run on your own infrastructure.
CrewAI is open source (freemium). Vercel AI SDK is open source (open source).
Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.
curl -s -H "Accept: text/markdown" https://newagent.build/compare/crewai-vs-vercel-ai-sdk